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Y Combinator Portfolio Companies

Investor actively backing innovative startups and growth-stage companies across various industries and funding rounds.

Last updated: July 2026

Y Combinator Investment Overview

Portfolio Companies
5,185
Total Invested
$25.5B
Average Investment
$9.2M

Y Combinator's Most Recent Investments (2020+)

Company NameFoundedFunding StageAmountCity
Tough Leaf2024Series A$4.5MNew York
AuthZed2024Series A$12.0MNew York
Bluefin2024Corporate RoundUndisclosedToronto
VenoStent2024Series A$4.0MHouston
ORA2024Series A$20.0MSunnyvale
Creatio2024Private Equity$200.0MBoston
Samsara Eco2024Series A$66.5MSydney
Enso Finance2024Seed$4.2MZürich
Waterplan2024Grant$150KSan Francisco
Regent2024Series UnknownUndisclosedNorth Kingstown

Complete List of Y Combinator Portfolio Companies (5,185)

Export
#CompanyStageAmountLocation
3001Tough LeafSeries A$4.5MNew York, United States
3002AuthZedSeries A$12.0MNew York, United States
3003BluefinCorporate RoundUndisclosedToronto, Canada
3004VenoStentSeries A$4.0MHouston, United States
3005ORASeries A$20.0MSunnyvale, United States
3006CreatioPrivate Equity$200.0MBoston, United States
3007Samsara EcoSeries A$66.5MSydney, Australia
3008Enso FinanceSeed$4.2MZürich, Switzerland
3009WaterplanGrant$150KSan Francisco, United States
3010RegentSeries UnknownUndisclosedNorth Kingstown, United States
B2BConstructionProcurementProfessional NetworkingSaaS

Tough Leaf is a platform that helps construction companies manage pre-construction processes.

New York, United States
June 2024
$4.5M
Series A

Founder Contacts

30,000+ verified contacts

DatabaseInformation TechnologySoftware

AuthZed is a permissions systems provider that helps organizations build fast, secure, and scalable authorization services for applications.

New York, United States
June 2024
$12.0M
Series A

Founder Contacts

30,000+ verified contacts

BlockchainFinancial ExchangesFinancial ServicesFinTechInformation TechnologyOpen SourceSoftwareTrading Platform

Bluefin is an orderbook-based derivatives exchange that uses the most innovative decentralized infrastructure.

Toronto, Canada
June 2024
Corporate Round

Founder Contacts

30,000+ verified contacts

Advanced MaterialsBiotechnologyHealth CareLife ScienceMedical Device

VenoStent is a tissue engineering medical device company developing bioabsorbable polymer wraps for better outcomes in vascular surgery.

Houston, United States
June 2024
$4.0M
Series A

Founder Contacts

30,000+ verified contacts

AppsArtificial Intelligence (AI)BlockchainNetwork Security

ORA is a protocol designed to enable decentralized artificial intelligence and computing on the Ethereum blockchain

Sunnyvale, United States
June 2024
$20.0M
Series A

Founder Contacts

30,000+ verified contacts

Agentic AIArtificial Intelligence (AI)Business Process Automation (BPA)Cloud ComputingCloud Data ServicesFinanceIndustrial AutomationMarketing AutomationSales AutomationSoftware

Agentic CRM & Workflow Platform with No-Code and AI at Its Core

Boston, United States
June 2024
$200.0M
Private Equity

Founder Contacts

30,000+ verified contacts

Product ResearchRecycling

Samsara Eco is an enviro-tech company creating infinite recycling to end plastic pollution.

Sydney, Australia
June 2024
$66.5M
Series A

Founder Contacts

30,000+ verified contacts

BlockchainCryptocurrencyEthereumFinanceFinTechPeer to Peer

The world's first intent engine powering the intent-centric future.

Zürich, Switzerland
June 2024
$4.2M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Information TechnologySaaSSoftware

Waterplan is a SaaS platform for companies to manage water availability in their facilities and supply chain.

San Francisco, United States
June 2024
$150K
Grant

Founder Contacts

30,000+ verified contacts

Electric VehicleManufacturingMarine TransportationTransportation

Regent develops and manufactures all-electric seagliders for high-speed regional coastal transportation.

North Kingstown, United States
June 2024
Series Unknown

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Big DataInformation Technology

OmniAI is a software development platform that allows users to transform unstructured data to accurate insights.

San Francisco, United States
June 2024
$3.2M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Developer ToolsSaaS

AI testing platform for generating unit and integration tests

San Francisco, United States
June 2024
$1.5M
Seed

Founder Contacts

30,000+ verified contacts

Carbon CaptureChemicalRenewable EnergyWater

Heimdal is developing profitable direct air carbon capture engineering.

London, United Kingdom
June 2024
$40K
Grant

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Developer ToolsSoftware

Doctor Droid is an on-call intelligence platform to accelerate production issue & incident investigations.

San Francisco, United States
June 2024
Seed

Founder Contacts

30,000+ verified contacts

ConsumerSocial Media

HeartByte is a content platform that enables creators to craft fiction/comics or derivative works inspired by existing fictional universes.

San Francisco, United States
June 2024
Pre-Seed

Founder Contacts

30,000+ verified contacts

BiotechnologyChemicalGreenTechManufacturing

Solugen is a carbon negative moleucle factory that replaces petroleum-based products with plant-derived substitutes.

Houston, United States
June 2024
$213.6M
Debt Financing

Founder Contacts

30,000+ verified contacts

LeasingProperty ManagementRentalRental Property

Findigs is a rental platform that streamlines the rental screening process and assists decision-making.

New York, United States
June 2024
$27.0M
Series B

Founder Contacts

30,000+ verified contacts

AppsLogisticsSoftware

RetailReady digitizes retail compliance and warehouse processes, reducing chargebacks and enhancing fulfillment.

Atlanta, United States
June 2024
$3.3M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)AutomotiveAutonomous VehiclesMachine LearningTransportation

Cruise is an autonomous vehicle company that develops electric cars for urban mobility.

San Francisco, United States
June 2024
$850.0M
Corporate Round

Founder Contacts

30,000+ verified contacts

Computer VisionE-CommerceRetailRFIDWireless

RADAR is an RFID and computer vision platform that automates inventory management, analytics, and checkout in physical stores.

New York, United States
June 2024
$19.7M
Debt Financing

Founder Contacts

30,000+ verified contacts

AutomotiveBig DataCar SharingInformation TechnologyRentalTransportation

Kovi is a technology startup that provides that offers an app for car rental services.

São Paulo, Brazil
June 2024
$8.0M
Debt Financing

Founder Contacts

30,000+ verified contacts

AppsBankingFinancial ServicesFinTech

Elevate Pay is a financial technology company that offers a mobile banking app to provide consumers with regulated banking services.

Newark, United States
June 2024
$5.0M
Seed

Founder Contacts

30,000+ verified contacts

GolfHospitalitySaaSSoftware

Whoosh is a developer of modern golf operations software for private clubs.

New York, United States
June 2024
$10.3M
Series A

Founder Contacts

30,000+ verified contacts

Cloud InfrastructureCloud ManagementComputerInternetProductivity ToolsSaaSSoftware

Taloflow offers buying advice and tailored analysis services for tech vendor research.

Santa Monica, United States
June 2024
$1.3M
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)Generative AIGraphic DesignVideo

Pika is an AI platform that allows users to create videos from text prompts, including text to video, image to video, and editing tools.

Palo Alto, United States
June 2024
$80.0M
Series B

Founder Contacts

30,000+ verified contacts

Showing 3001-3025 of 5,185 portfolio companies

Frequently Asked Questions About Y Combinator

How many companies has Y Combinator invested in?

Y Combinator has invested in 5,185 companies tracked in our database. The portfolio spans multiple industries and funding stages, from seed-stage startups to late-stage companies.

What industries does Y Combinator invest in?

Y Combinator's top investment sectors include Software, Artificial Intelligence (AI), SaaS, Information Technology, Blockchain. The firm invests across 73 different industry categories.

What is Y Combinator's largest investment?

Among tracked funding rounds, Cruise received $850.0M in a Corporate Round round. Y Combinator's total known invested capital is $25.5B.

What is the average investment size for Y Combinator?

Y Combinator's average investment size is $9.2M across its portfolio of 5,185 companies.

What are Y Combinator's most recent investments?

Recent Y Combinator portfolio additions include Tough Leaf, AuthZed, Bluefin, VenoStent, ORA. These companies were founded in 2020 or later.

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